{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009063},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009276","490:4900009170","490:4900009158","490:4900009482","490:4900009061","490:4900009682","490:4900010272","490:4900009887","490:4900008750","490:4900009788","490:4900008641","490:4900009169","490:4900007957","490:4900009287","490:4900010868","490:4900009599","490:4900009584","490:4900009198","490:4900011677","490:4900010187","490:4900009489","490:4900009585","490:4900009086","490:4900008307","490:4900008066"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8731222286182395,0.5832520440155411,0.43151207561577926,0.29509247354042817,0.28858636869446763,0.28366570479710557,0.2803019699490517,0.25901804690839175,0.254823251833981,0.2516501467835671,0.2506573598784197,0.2492994820143538,0.24825564933504563,0.2307390149505457,0.20963874740730215,0.20156677854741983,0.19958579635875992,0.1949921262855323,0.1902046825319569,0.18625700450529592,0.18584371498228494,0.18411472188513733,0.18379096229172884,0.1834628488733054,0.18082617033104145],"twin_dists":[0.06765444227847413,0.1348614904573448,0.1683826392843718,0.2029092174408804,0.20475411022867562,0.2061659887470252,0.20713965259032266,0.21347332748656295,0.21475955874082703,0.21574145814080614,0.2160502887113205,0.21647395751458487,0.21680064670615412,0.22242066820177028,0.2295782374308594,0.23244518676022063,0.2331607757786624,0.2348392260122686,0.23661795097276017,0.238108345523153,0.23826565456946805,0.23892643615587997,0.23905065482220847,0.23917670140138247,0.24019541850997314],"n_dims_used":45,"mean_confidence":0.9205803765190972},"coverage":{"mean_confidence":0.9205803765190972,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}